72764323 has 2 divisors, whose sum is σ = 72764324. Its totient is φ = 72764322.

The previous prime is 72764317. The next prime is 72764327. The reversal of 72764323 is 32346727.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72764323 - 2¹⁷ = 72633251 is a prime.

It is not a weakly prime, because it can be changed into another prime (72764327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36382161 + 36382162.

It is an arithmetic number, because the mean of its divisors is an integer number (36382162).

Almost surely, 2^72764323 is an apocalyptic number.

72764323 is a deficient number, since it is larger than the sum of its proper divisors (1).

72764323 is an equidigital number, since it uses as much as digits as its factorization.

72764323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 34.

The square root of 72764323 is about 8530.2006424234. The cubic root of 72764323 is about 417.4836748849.

The spelling of 72764323 in words is "seventy-two million, seven hundred sixty-four thousand, three hundred twenty-three".